this derivation will be built:
  /nix/store/dcnf4gmg1i4ba20b0ywlknqj76mwk08n-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/dcnf4gmg1i4ba20b0ywlknqj76mwk08n-bcachefs-module-7.0.0-29-generic.drv'...